110 lines
3.2 KiB
Elixir
110 lines
3.2 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.MastodonAPI.AuthController do
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use Pleroma.Web, :controller
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import Pleroma.Web.ControllerHelper, only: [json_response: 3]
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alias Pleroma.Helpers.AuthHelper
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alias Pleroma.Helpers.UriHelper
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alias Pleroma.User
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alias Pleroma.Web.OAuth.App
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alias Pleroma.Web.OAuth.Authorization
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alias Pleroma.Web.OAuth.Token
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alias Pleroma.Web.OAuth.Token.Strategy.Revoke, as: RevokeToken
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alias Pleroma.Web.TwitterAPI.TwitterAPI
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action_fallback(Pleroma.Web.MastodonAPI.FallbackController)
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plug(Pleroma.Web.Plugs.RateLimiter, [name: :password_reset] when action == :password_reset)
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@local_mastodon_name "Mastodon-Local"
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@doc "GET /web/login"
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# Local Mastodon FE login callback action
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def login(conn, %{"code" => auth_token} = params) do
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with {:ok, app} <- local_mastofe_app(),
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{:ok, auth} <- Authorization.get_by_token(app, auth_token),
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%User{} = user <- User.get_cached_by_id(auth.user_id),
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{:ok, oauth_token} <- Token.get_or_exchange_token(auth, app, user) do
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redirect_to =
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conn
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|> local_mastodon_post_login_path()
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|> UriHelper.modify_uri_params(%{"access_token" => oauth_token.token})
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conn
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|> AuthHelper.put_session_token(oauth_token.token)
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|> redirect(to: redirect_to)
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else
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_ -> redirect_to_oauth_form(conn, params)
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end
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end
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def login(conn, params) do
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with %{assigns: %{user: %User{}, token: %Token{app_id: app_id}}} <- conn,
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{:ok, %{id: ^app_id}} <- local_mastofe_app() do
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redirect(conn, to: local_mastodon_post_login_path(conn))
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else
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_ -> redirect_to_oauth_form(conn, params)
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end
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end
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defp redirect_to_oauth_form(conn, _params) do
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with {:ok, app} <- local_mastofe_app() do
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path =
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Routes.o_auth_path(conn, :authorize,
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response_type: "code",
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client_id: app.client_id,
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redirect_uri: ".",
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scope: Enum.join(app.scopes, " ")
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)
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redirect(conn, to: path)
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end
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end
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@doc "DELETE /auth/sign_out"
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def logout(conn, _) do
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conn =
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with %{assigns: %{token: %Token{} = oauth_token}} <- conn,
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session_token = AuthHelper.get_session_token(conn),
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{:ok, %Token{token: ^session_token}} <- RevokeToken.revoke(oauth_token) do
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AuthHelper.delete_session_token(conn)
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else
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_ -> conn
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end
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redirect(conn, to: "/")
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end
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@doc "POST /auth/password"
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def password_reset(conn, params) do
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nickname_or_email = params["email"] || params["nickname"]
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TwitterAPI.password_reset(nickname_or_email)
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json_response(conn, :no_content, "")
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end
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defp local_mastodon_post_login_path(conn) do
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case get_session(conn, :return_to) do
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nil ->
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Routes.masto_fe_path(conn, :index, ["getting-started"])
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return_to ->
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delete_session(conn, :return_to)
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return_to
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end
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end
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@spec local_mastofe_app() :: {:ok, App.t()} | {:error, Ecto.Changeset.t()}
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def local_mastofe_app do
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App.get_or_make(
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%{client_name: @local_mastodon_name, redirect_uris: "."},
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["read", "write", "follow", "push", "admin"]
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)
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end
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end
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